Finding the Fourth Proportional to 389,512.49, 582,731.45 and 295,014.95
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Solution
The fourth proportional to 389,512.49, 582,731.45 and 295,014.95 is: 441,358.09
Step by Step Solution
- Step 1: Write the proportion equation
389,512.49 : 582,731.45 = 295,014.95 : x - Step 2: Convert to fraction form
389,512.49/582,731.45 = 295,014.95/x - Step 3: Cross multiply
389,512.49x = 582,731.45 × 295,014.95 - Step 4: Simplify right side
389,512.49x = 171,914,489,585.18 - Step 5: Solve for x
x = 171,914,489,585.18/389,512.49 - Step 6: Final answer
x = 441,358.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.